Susan R. Harris wrote:
> Photons propagate at 0.65c in fibre - the exact speed does vary
> depending on whether its single or multimode fibre.Hi Geoff - not to reveal my ignorance or anything, but ... is that 65
degrees celcius?> The equivalent EMR propagation speed in coppr is 0.75c
What is EMR?
Electro-Magnetic Radiation.
The velocity will vary +/- ~10% depending on the type of material for the
dielectric and dimension of the transmission line.
Tim